A supposed square structure spotted on Mars sparked speculation about alien archeological sites on the red planet. It's a fun ...

Among the weirder photos are ones purporting to show an "alien boot," a flying UFO, a mysterious doorway, metallic wreckage, a rock shaped like a human face, other strange carvings, an "alien" statue, ...

The square-based pyramid, a shape which usually has four sides, is the most famous one at the Giza pyramid site. However researchers actually claim there are eight sides to it, making it an ...

You're now a square based pyramid with 4 triangular faces and a square face for your bottom. You can get pyramids with different shaped bases. Triangles, pentagons, hexagons, any shape.

A pyramid with a square base is a square-based pyramid. Image caption, 3D shapes that are non-polyhedral include cylinders, cones, and spheres. At least one face is not a polygon. At least one ...